{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-39857", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.142Z", "datePublished": "2025-09-19T15:26:28.225Z", "dateUpdated": "2026-07-30T05:58:04.995Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-30T05:58:04.995Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: fix one NULL pointer dereference in smc_ib_is_sg_need_sync()\n\nBUG: kernel NULL pointer dereference, address: 00000000000002ec\nPGD 0 P4D 0\nOops: Oops: 0000 [#1] SMP PTI\nCPU: 28 UID: 0 PID: 343 Comm: kworker/28:1 Kdump: loaded Tainted: G OE 6.17.0-rc2+ #9 NONE\nTainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014\nWorkqueue: smc_hs_wq smc_listen_work [smc]\nRIP: 0010:smc_ib_is_sg_need_sync+0x9e/0xd0 [smc]\n...\nCall Trace:\n \n smcr_buf_map_link+0x211/0x2a0 [smc]\n __smc_buf_create+0x522/0x970 [smc]\n smc_buf_create+0x3a/0x110 [smc]\n smc_find_rdma_v2_device_serv+0x18f/0x240 [smc]\n ? smc_vlan_by_tcpsk+0x7e/0xe0 [smc]\n smc_listen_find_device+0x1dd/0x2b0 [smc]\n smc_listen_work+0x30f/0x580 [smc]\n process_one_work+0x18c/0x340\n worker_thread+0x242/0x360\n kthread+0xe7/0x220\n ret_from_fork+0x13a/0x160\n ret_from_fork_asm+0x1a/0x30\n \n\nIf the software RoCE device is used, ibdev->dma_device is a null pointer.\nAs a result, the problem occurs. Null pointer detection is added to\nprevent problems." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" } } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/smc/smc_ib.c" ], "versions": [ { "version": "0ef69e788411cba2af017db731a9fc62d255e9ac", "lessThan": "0cdf1fd8fc59d44a48c694324611136910301ef9", "status": "affected", "versionType": "git" }, { "version": "0ef69e788411cba2af017db731a9fc62d255e9ac", "lessThan": "f18d9b3abf9c6587372cc702f963a7592277ed56", "status": "affected", "versionType": "git" }, { "version": "0ef69e788411cba2af017db731a9fc62d255e9ac", "lessThan": "eb929910bd4b4165920fa06a87b22cc6cae92e0e", "status": "affected", "versionType": "git" }, { "version": "0ef69e788411cba2af017db731a9fc62d255e9ac", "lessThan": "34f17cbe027050b8d5316ea1b6f9bd7c378e92de", "status": "affected", "versionType": "git" }, { "version": "0ef69e788411cba2af017db731a9fc62d255e9ac", "lessThan": "ba1e9421cf1a8369d25c3832439702a015d6b5f9", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/smc/smc_ib.c" ], "versions": [ { "version": "6.0", "status": "affected" }, { "version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.151", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.105", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.46", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.16.6", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1.151" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.105" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.46" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.16.6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.17" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/0cdf1fd8fc59d44a48c694324611136910301ef9" }, { "url": "https://git.kernel.org/stable/c/f18d9b3abf9c6587372cc702f963a7592277ed56" }, { "url": "https://git.kernel.org/stable/c/eb929910bd4b4165920fa06a87b22cc6cae92e0e" }, { "url": "https://git.kernel.org/stable/c/34f17cbe027050b8d5316ea1b6f9bd7c378e92de" }, { "url": "https://git.kernel.org/stable/c/ba1e9421cf1a8369d25c3832439702a015d6b5f9" } ], "title": "net/smc: fix one NULL pointer dereference in smc_ib_is_sg_need_sync()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:44:10.731Z" } }, { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T12:07:40.683Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC CN 4100", "versions": [ { "status": "affected", "version": "0", "lessThan": "V5.0", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html" } ] } ] } }